Home / 2,809,686-3,877,373.57-1,520,535.77

Finding the Fourth Proportional to 2,809,686, 3,877,373.57 and 1,520,535.77

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Solution

The fourth proportional to 2,809,686, 3,877,373.57 and 1,520,535.77 is: 2,098,343.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,686 : 3,877,373.57 = 1,520,535.77 : x
  2. Step 2: Convert to fraction form
    2,809,686/3,877,373.57 = 1,520,535.77/x
  3. Step 3: Cross multiply
    2,809,686x = 3,877,373.57 × 1,520,535.77
  4. Step 4: Simplify right side
    2,809,686x = 5,895,685,206,837.60
  5. Step 5: Solve for x
    x = 5,895,685,206,837.60/2,809,686
  6. Step 6: Final answer
    x = 2,098,343.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.